<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="分类名称" prop="catName">
        <el-input
          v-model="queryParams.catName"
          placeholder="请输入分类名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="分类编码" prop="catCode">
        <el-input
          v-model="queryParams.catCode"
          placeholder="请输入分类编码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

<!--      <el-form-item label="是否有效" prop="isEnable">-->
<!--        <el-select v-model="queryParams.isEnable" placeholder="请选择状态" clearable>-->
<!--          <el-option-->
<!--            v-for="dict in dict.type.sys_is_enable"-->
<!--            :key="dict.value"-->
<!--            :label="dict.label"-->
<!--            :value="dict.value"-->
<!--          />-->
<!--        </el-select>-->
<!--      </el-form-item>-->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['news:category:add']"
        >新增</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="categoryList"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="分类名称" align="center" prop="catName" />
      <el-table-column label="分类编码" align="center" prop="catCode" />
      <el-table-column label="分类导航" align="center" prop="catNamePath" />
      <el-table-column label="排序" align="center" prop="sort" />

<!--      <el-table-column label="是否有效" align="center" prop="isEnable">-->
<!--        <template slot-scope="scope">-->
<!--          <dict-tag :options="dict.type.sys_is_enable" :value="scope.row.isEnable"/>-->
<!--        </template>-->
<!--      </el-table-column>-->
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            type="text"
            icon="el-icon-plus"
            size="mini"
            @click="handleAddChild(scope.row)"
            v-if="scope.row.level < 2"
            v-hasPermi="['news:category:add']"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['news:category:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['news:category:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改新闻公告分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类名称" prop="catName">
          <el-input v-model="form.catName" placeholder="请输入分类名称" />
        </el-form-item>
        <el-form-item label="分类编码" prop="catCode">
          <el-input v-model="form.catCode" placeholder="请输入分类编码" />
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input type="number" min="0" max="9999" v-model="form.sort" placeholder="请输入排序" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
<!--        <el-form-item label="是否启用" prop="isEnable">-->
<!--          <el-select v-model="form.isEnable" placeholder="请选择是否启用">-->
<!--            <el-option-->
<!--              v-for="dict in dict.type.sys_is_enable"-->
<!--              :key="dict.value"-->
<!--              :label="dict.label"-->
<!--              :value="parseInt(dict.value)"-->
<!--            ></el-option>-->
<!--          </el-select>-->
<!--        </el-form-item>-->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/cms/news/category";

export default {
  name: "NewsCategory",
  dicts: ['news_show_client', 'sys_is_enable'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 新闻公告分类表格数据
      categoryList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        catName: null,
        catCode: null,
        pid: null,
        client: null,
        isEnable: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        catName: [
          { required: true, message: "分类名称不能为空", trigger: "blur" },
          { min: 1, max: 20, message: '分类名称长度必须介于 1 和 20 之间', trigger: 'blur' }
        ],
        catCode: [
          { required: true, message: "分类编码不能为空", trigger: "blur" },
          { min: 1, max: 30, message: '分类编码长度必须介于 1 和 30 之间', trigger: 'blur' }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询新闻公告分类列表 */
    getList() {
      this.loading = true;
      listCategory(this.queryParams).then(response => {
        this.categoryList = this.handleTree(response.data, "id","pid");
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        catName: null,
        catCode: null,
        pid: 0,
        level: 1,
        client: null,
        remark: null,
        delFlag: null,
        isEnable: null,
      };
      this.resetForm("form");
    },
    // 表单重置
    resetChild(row) {
      this.form = {
        id: null,
        catName: null,
        catCode: null,
        pid: row.id,
        level: row.level + 1,
        client: null,
        remark: null,
        delFlag: null,
        isEnable: null,
        sort: 0
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加新闻公告分类";
    },
    /** 新增子类按钮操作 */
    handleAddChild(row) {
      this.resetChild(row);
      this.open = true;
      this.title = "添加新闻公告分类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getCategory(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改新闻公告分类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCategory(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCategory(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除新闻公告分类编号为"' + ids + '"的数据项？').then(function() {
        return delCategory(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('news/category/export', {
        ...this.queryParams
      }, `category_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
